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//Copyright (C) 1989, 1991 Free Software Foundation, Inc.
//
//59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//Everyone is permitted to copy and distribute verbatim copies
//
//of this license document, but changing it is not allowed.
//
//Preamble
//
//The licenses for most software are designed to take away your
//freedom to share and change it. By contrast, the GNU General Public
//License is intended to guarantee your freedom to share and change free
//software--to make sure the software is free for all its users. This
//General Public License applies to most of the Free Software
//Foundation's software and to any other program whose authors commit to
//using it. (Some other Free Software Foundation software is covered by
//the GNU Library General Public License instead.) You can apply it to
//your programs, too.
//
//When we speak of free software, we are referring to freedom, not
//price. Our General Public Licenses are designed to make sure that you
//have the freedom to distribute copies of free software (and charge for
//this service if you wish), that you receive source code or can get it
//if you want it, that you can change the software or use pieces of it
//in new free programs; and that you know you can do these things.
//
//To protect your rights, we need to make restrictions that forbid
//anyone to deny you these rights or to ask you to surrender the rights.
//These restrictions translate to certain responsibilities for you if you
//distribute copies of the software, or if you modify it.
//
//For example, if you distribute copies of such a program, whether
//gratis or for a fee, you must give the recipients all the rights that
//you have. You must make sure that they, too, receive or can get the
//source code. And you must show them these terms so they know their
//rights.
//
//We protect your rights with two steps: (1) copyright the software, and
//(2) offer you this license which gives you legal permission to copy,
//distribute and/or modify the software.
//
//Also, for each author's protection and ours, we want to make certain
//that everyone understands that there is no warranty for this free
//software. If the software is modified by someone else and passed on, we
//want its recipients to know that what they have is not the original, so
//that any problems introduced by others will not reflect on the original
//authors' reputations.
//
//Finally, any free program is threatened constantly by software
//patents. We wish to avoid the danger that redistributors of a free
//program will individually obtain patent licenses, in effect making the
//program proprietary. To prevent this, we have made it clear that any
//patent must be licensed for everyone's free use or not licensed at all.
//
//The precise terms and conditions for copying, distribution and
//modification follow.
//
//TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
//
//0. This License applies to any program or other work which contains
//a notice placed by the copyright holder saying it may be distributed
//under the terms of this General Public License. The "Program", below,
//refers to any such program or work, and a "work based on the Program"
//means either the Program or any derivative work under copyright law:
//that is to say, a work containing the Program or a portion of it,
//either verbatim or with modifications and/or translated into another
//language. (Hereinafter, translation is included without limitation in
//the term "modification".) Each licensee is addressed as "you".
//
//Activities other than copying, distribution and modification are not
//covered by this License; they are outside its scope. The act of
//running the Program is not restricted, and the output from the Program
//is covered only if its contents constitute a work based on the
//Program (independent of having been made by running the Program).
//Whether that is true depends on what the Program does.
//
//1. You may copy and distribute verbatim copies of the Program's
//source code as you receive it, in any medium, provided that you
//conspicuously and appropriately publish on each copy an appropriate
//copyright notice and disclaimer of warranty; keep intact all the
//notices that refer to this License and to the absence of any warranty;
//and give any other recipients of the Program a copy of this License
//along with the Program.
//
//You may charge a fee for the physical act of transferring a copy, and
//you may at your option offer warranty protection in exchange for a fee.
//
//2. You may modify your copy or copies of the Program or any portion
//of it, thus forming a work based on the Program, and copy and
//distribute such modifications or work under the terms of Section 1
//above, provided that you also meet all of these conditions:
//
//    a) You must cause the modified files to carry prominent notices
//    stating that you changed the files and the date of any change.
//
//    b) You must cause any work that you distribute or publish, that in
//    whole or in part contains or is derived from the Program or any
//    part thereof, to be licensed as a whole at no charge to all third
//    parties under the terms of this License.
//
//    c) If the modified program normally reads commands interactively
//    when run, you must cause it, when started running for such
//    interactive use in the most ordinary way, to print or display an
//    announcement including an appropriate copyright notice and a
//    notice that there is no warranty (or else, saying that you provide
//    a warranty) and that users may redistribute the program under
//    these conditions, and telling the user how to view a copy of this
//    License. (Exception: if the Program itself is interactive but
//    does not normally print such an announcement, your work based on
//    the Program is not required to print an announcement.)
//
//These requirements apply to the modified work as a whole. If
//identifiable sections of that work are not derived from the Program,
//and can be reasonably considered independent and separate works in
//themselves, then this License, and its terms, do not apply to those
//sections when you distribute them as separate works. But when you
//distribute the same sections as part of a whole which is a work based
//on the Program, the distribution of the whole must be on the terms of
//this License, whose permissions for other licensees extend to the
//entire whole, and thus to each and every part regardless of who wrote it.
//
//Thus, it is not the intent of this section to claim rights or contest
//your rights to work written entirely by you; rather, the intent is to
//exercise the right to control the distribution of derivative or
//collective works based on the Program.
//
//In addition, mere aggregation of another work not based on the Program
//with the Program (or with a work based on the Program) on a volume of
//a storage or distribution medium does not bring the other work under
//the scope of this License.
//
//3. You may copy and distribute the Program (or a work based on it,
//under Section 2) in object code or executable form under the terms of
//Sections 1 and 2 above provided that you also do one of the following:
//
//    a) Accompany it with the complete corresponding machine-readable
//    source code, which must be distributed under the terms of Sections
//    1 and 2 above on a medium customarily used for software interchange; or,
//
//    b) Accompany it with a written offer, valid for at least three
//    years, to give any third party, for a charge no more than your
//    cost of physically performing source distribution, a complete
//    machine-readable copy of the corresponding source code, to be
//    distributed under the terms of Sections 1 and 2 above on a medium
//    customarily used for software interchange; or,
//
//    c) Accompany it with the information you received as to the offer
//    to distribute corresponding source code. (This alternative is
//    allowed only for noncommercial distribution and only if you
//    received the program in object code or executable form with such
//    an offer, in accord with Subsection b above.)
//
//The source code for a work means the preferred form of the work for
//making modifications to it. For an executable work, complete source
//code means all the source code for all modules it contains, plus any
//associated interface definition files, plus the scripts used to
//control compilation and installation of the executable. However, as a
//special exception, the source code distributed need not include
//anything that is normally distributed (in either source or binary
//form) with the major components (compiler, kernel, and so on) of the
//operating system on which the executable runs, unless that component
//itself accompanies the executable.
//
//If distribution of executable or object code is made by offering
//access to copy from a designated place, then offering equivalent
//access to copy the source code from the same place counts as
//distribution of the source code, even though third parties are not
//compelled to copy the source along with the object code.
//
//4. You may not copy, modify, sublicense, or distribute the Program
//except as expressly provided under this License. Any attempt
//otherwise to copy, modify, sublicense or distribute the Program is
//void, and will automatically terminate your rights under this License.
//However, parties who have received copies, or rights, from you under
//this License will not have their licenses terminated so long as such
//parties remain in full compliance.
//
//5. You are not required to accept this License, since you have not
//signed it. However, nothing else grants you permission to modify or
//distribute the Program or its derivative works. These actions are
//prohibited by law if you do not accept this License. Therefore, by
//modifying or distributing the Program (or any work based on the
//Program), you indicate your acceptance of this License to do so, and
//all its terms and conditions for copying, distributing or modifying
//the Program or works based on it.
//
//6. Each time you redistribute the Program (or any work based on the
//Program), the recipient automatically receives a license from the
//original licensor to copy, distribute or modify the Program subject to
//these terms and conditions. You may not impose any further
//restrictions on the recipients' exercise of the rights granted herein.
//You are not responsible for enforcing compliance by third parties to
//this License.
//
//7. If, as a consequence of a court judgment or allegation of patent
//infringement or for any other reason (not limited to patent issues),
//conditions are imposed on you (whether by court order, agreement or
//otherwise) that contradict the conditions of this License, they do not
//excuse you from the conditions of this License. If you cannot
//distribute so as to satisfy simultaneously your obligations under this
//License and any other pertinent obligations, then as a consequence you
//may not distribute the Program at all. For example, if a patent
//license would not permit royalty-free redistribution of the Program by
//all those who receive copies directly or indirectly through you, then
//the only way you could satisfy both it and this License would be to
//refrain entirely from distribution of the Program.
//
//If any portion of this section is held invalid or unenforceable under
//any particular circumstance, the balance of the section is intended to
//apply and the section as a whole is intended to apply in other
//circumstances.
//
//It is not the purpose of this section to induce you to infringe any
//patents or other property right claims or to contest validity of any
//such claims; this section has the sole purpose of protecting the
//integrity of the free software distribution system, which is
//implemented by public license practices. Many people have made
//generous contributions to the wide range of software distributed
//through that system in reliance on consistent application of that
//system; it is up to the author/donor to decide if he or she is willing
//to distribute software through any other system and a licensee cannot
//impose that choice.
//
//This section is intended to make thoroughly clear what is believed to
//be a consequence of the rest of this License.
//
//8. If the distribution and/or use of the Program is restricted in
//certain countries either by patents or by copyrighted interfaces, the
//original copyright holder who places the Program under this License
//may add an explicit geographical distribution limitation excluding
//those countries, so that distribution is permitted only in or among
//countries not thus excluded. In such case, this License incorporates
//the limitation as if written in the body of this License.
//
//9. The Free Software Foundation may publish revised and/or new versions
//of the General Public License from time to time. Such new versions will
//be similar in spirit to the present version, but may differ in detail to
//address new problems or concerns.
//
//Each version is given a distinguishing version number. If the Program
//specifies a version number of this License which applies to it and "any
//later version", you have the option of following the terms and conditions
//either of that version or of any later version published by the Free
//Software Foundation. If the Program does not specify a version number of
//this License, you may choose any version ever published by the Free Software
//Foundation.
//
//10. If you wish to incorporate parts of the Program into other free
//programs whose distribution conditions are different, write to the author
//to ask for permission. For software which is copyrighted by the Free
//Software Foundation, write to the Free Software Foundation; we sometimes
//make exceptions for this. Our decision will be guided by the two goals
//of preserving the free status of all derivatives of our free software and
//of promoting the sharing and reuse of software generally.
//
//NO WARRANTY
//
//11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
//FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
//OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
//PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
//OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
//TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
//PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
//REPAIR OR CORRECTION.
//
//12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
//WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
//REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
//INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
//OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
//TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
//YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
//PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGES.
//
//END OF TERMS AND CONDITIONS
//
//How to Apply These Terms to Your New Programs
//
//If you develop a new program, and you want it to be of the greatest
//possible use to the public, the best way to achieve this is to make it
//free software which everyone can redistribute and change under these terms.
//
//To do so, attach the following notices to the program. It is safest
//to attach them to the start of each source file to most effectively
//convey the exclusion of warranty; and each file should have at least
//the "copyright" line and a pointer to where the full notice is found.
//
//    One line to give the program's name and a brief idea of what it does.
//
//    Copyright (C) <year> <name of author>
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//    GNU General Public License for more details.
//
//
//    You should have received a copy of the GNU General Public License
//    along with this program; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//Also add information on how to contact you by electronic and paper mail.
//
//If the program is interactive, make it output a short notice like this
//when it starts in an interactive mode:
//
//    Gnomovision version 69, Copyright (C) year name of author
//    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
//    This is free software, and you are welcome to redistribute it
//    under certain conditions; type `show c' for details.
//
//The hypothetical commands `show w' and `show c' should show the appropriate
//parts of the General Public License. Of course, the commands you use may
//be called something other than `show w' and `show c'; they could even be
//mouse-clicks or menu items--whatever suits your program.
//
//You should also get your employer (if you work as a programmer) or your
//school, if any, to sign a "copyright disclaimer" for the program, if
//necessary. Here is a sample; alter the names:
//
//    Yoyodyne, Inc., hereby disclaims all copyright interest in the program
//    `Gnomovision' (which makes passes at compilers) written by James Hacker.
//
//    signature of Ty Coon, 1 April 1989
//
//    Ty Coon, President of Vice
//
//This General Public License does not permit incorporating your program into
//proprietary programs. If your program is a subroutine library, you may
//consider it more useful to permit linking proprietary applications with the
//library. If this is what you want to do, use the GNU Library General
//Public License instead of this License.
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